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CEP-2280 PDF预览

CEP-2280

更新时间： 2022-04-23 23:00:11
品牌 Logo 应用领域
CUI /
页数 文件大小 规格书
4页 269K
描述
piezo audio indicator

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CEP-2280 数据手册

 浏览型号CEP-2280的Datasheet PDF文件第1页浏览型号CEP-2280的Datasheet PDF文件第2页浏览型号CEP-2280的Datasheet PDF文件第4页 
Date: 9/22/2006  
Unit: mm  
Part No: CEP-2280  
Description: piezo audio indicator  
Page No: 3 of 4  
Environment Test  
Item  
Test Condition  
Evaluation Standard  
High temp. test  
After being placed in a chamber at +70°C for  
240 hours.  
Low temp. test  
Humidity test  
After being placed in a chamber at -30°C for  
240 hours.  
After being placed in a chamber at +40°C and  
90±5% relative humidity for 240 hours.  
The part shall be subjected to 5 cycles. One  
cycle will consist of:  
The buzzer will be measured after  
being placed at +25°C for 4  
hours. The value of the  
oscillation frequency/current  
consumption should be within  
±10% compared to the initial  
measurements. The SPL should  
be within ±10dB compared to the  
initial measurements.  
Temp. cycle test  
Reliability Test  
Item  
Test Condition  
Evaluation Standard  
Operating (Life Test)  
1. Continuous life test:  
The buzzer will be measured after  
being placed at +25°C for 4  
hours. The value of the  
oscillation frequency/current  
consumption should be ±10%  
compared to the initial  
The part will be subjected to 48 hours of  
continuous operation at +45°C with rated  
voltage applied.  
2. Intermittent life test:  
A duty cycle of 1 minute on, 1 minute off, a  
minimum of 5,000 times at room temp  
(+25±2°C) with rated voltage applied.  
measurements. The SPL should  
be ±10dB compared to the initial  
measurements.  
Test Conditions  
Standard Test Condition  
Judgement Test Condition  
a) Tempurature: +5 ~ +35°C  
a) Tempurature: +25 ±2°C  
b) Humidity: 45 - 85%  
b) Humidity: 60 - 70%  
c) Pressure: 860 - 1060 mbar  
c) Pressure: 860 - 1060 mbar  
Phone: 800.275.4899  
Fax: 503.612.2381  
www.cui.com  
20050 SW 112th Ave.  
Tualatin, OR 97062  
1234

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